參數(shù)資料
型號(hào)： MC92610VF
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： SPECIALTY MICROPROCESSOR CIRCUIT, PBGA324
封裝： 19 X 19 MM, 1.76 MM HEIGHT, 1 MM PITCH, PLASTIC, MS-034AAG-1, MAPBGA-324
文件頁數(shù)： 35/104頁
文件大?。?/td> 1595K
代理商： MC92610VF
3-6
MC92610 SERDES User’s Manual
MOTOROLA
Receiver Functional Description
The receiver provides for byte (character) alignment. Alignment assures that the byte as
presented at the input of the transmitter is preserved when the byte is presented by the
receiver. Optionally, alignment may be disabled.
The receiver also provides for word synchronization. In this mode, all of the receivers are
being used cooperatively to receive 32-bit (40 bit in TBI mode) words. Word
synchronization assures that the receivers present the four bytes of a word simultaneously.
The MC92610 also supports multi-chip word synchronization in which up to four
MC92610 devices may be used to send and receive synchronized multi-words.
The receiver has primary and redundant link inputs to support applications where
redundancy is required. MC92610’s transition tracking loop has superior receive signal
acquisition performance relative to PLL-based clock and data recovery methods. This
enables faster transition between the primary and redundant data streams.
The receiver interface, where the received bytes and status codes are obtained, has several
modes of operation and timing to allow it to be used in a variety of applications. The
following sections provide a detailed description of the receiver and its modes of operation.
3.3.1
Input Amplifier
The input amplifiers connect directly to the link input pads RLINK_x0_P/N and
RLINK_x1_P/N. There are separate input amplifiers for the primary and redundant link
inputs. The input amplifiers are differential with integrated analog multiplexer for
loop-back testing. Differential 100
link termination and in-line AC coupling capacitors
are integrated with the amplifiers.
NOTE
The integrated, in-line, AC coupling capacitors offer an
extended common-mode input voltage range, however,
compliance to the range as specified in Section 6.2 is required
for proper link operation. If a broader common-mode input
voltage range is required then additional, off-chip, AC coupling
capacitors must be used.
The input amplifier facilitates a loop-back path for production and in-system testing. When
the MC92610 is in loop-back mode (LBE set high), the input amplifier selects the
loop-back differential input signals and ignores the state on the RLINK_x0_P /
RLINK_x1_P and RLINK_x0_N / RLINK_x1_N signals. Loop back data can be routed
through either the primary or redundant input amplifier. The path taken is controlled by the
XCVR_x_RSEL signal. When XCVR_x_RSEL is low, data loops back through the primary
input amplifier, and when XCVR_x_RSEL is high, data loops back through the redundant
input amplifier.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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